Liquid-atomizer.



K. M. DAHL.

LIQUID ATOMIZER. APPLICATION FILED JUNE 12. 1911.

WITNESSES STATES rnranr ora ion.

KNUI M. DAHL, .OF SAN FRANCISCO, CALIFORNIA, ASSIGNOR- T0 UNION IRONWORKS CO., OF SAN FRANCISCO, CALIFORNIA, A CORPORATION OF CALIFORNIA.

LIQUID-ATOMIZER.

Specification of Letters Patent.

Application filed June 12, 1911.

Patented Nov. a, 1911; Serial No. 632,711.

To all whom it may concern.

Be it known that I, KNUT M. DAHL, a citizen of the United States,residing in the city and county of San Francisco, State of California,have invented a new and useful Liquid-Atomizer, of which the followingis a specification.

The object of my present invention is to devise a novel atomizer whereinliquids such as crude oil, water or any other desired liquid, may beatomized and wherein the only agent employed for this atomization is thepressure of the liquid.

Viith the above end in view, my invention consists of a novelconstruction of a liquid atomizer.

It further consists of a novel construction and combination of a holder,an atomizer disk, a tip and novel means for securing the parts inassembled position.

It further consists of other novel features of construction, all as willbe hereinafter fully set forth.

For the purpose of illustrating my invention, I have shown in theaccompanying drawings one form thereof which is at present preferred byme, since the same has been found in practice to give satisfactory andreliable results, although it is to be understood that the variousinstrumentalities of which my invention consists can be variouslyarranged and organized and that my invention is not limited to theprecise arrangement and organization of these instrumentalities asherein shown and described.

Figure 1 represents a sectional elevation of a liquid atomizer embodyingmy invention. Fig. 2 represents a sectional elevation of the tip indetached position. Fig. 3 rep resents a sectional elevation of theatomizer disk in detached position. Fig. 4 represents a plan view of theatomizingdisk.

Similar numerals of reference indicate corresponding parts in thefigures.

Referring to the drawings :1 designates a body or holder to which isremovably secured a conduit 2, which, in the present instance, has oneend threaded as indicated at 3, thereby adapting the same to engage withstance and which, when the parts are in assembled position, is adaptedto extend into the bore 5 a desired distance. The disk 10 is providedwith a laterally extending annular flange 12 which is provided with oneor more apertures 13, it being understood that the inner face of theflange 12 is adapted to seat against the end'of the holder 1, which isfaced ofl as indicated at 14. The front face of the disk 10 is providedwith an extension 15 in the shape of a cone.

16 designatesone or moreports or passages which extend tangentially froma port 13 to the cone 15, it being best seen from Fig. 3 that at thebase of the cone there is an annular groove 17 which extends slightlyinto the'front face of the flange 12.

18 designates a tip which is provided at its rear end with a lateralextending flange 19 which is adapted to close the front end of the ports13 when the parts are in'as sembled position, the forward end of the tip18 being adapted to pass through the flange 9 of the clamping nut 8. Thetip 18 is internally recessed asindicated at 20 in such a manner thatthe recess is given the form of a cone which communicates with an outletor discharge port 21 extending through the forward end' of the tip. Thewalls of the discharge port 21 are angularly inclined to the walls ofthe conical recess. 20. In order to assemble the parts, the atomizerdisk 10 is placed on the end of the holder 1, the tip 18 is then placedupon the disk 10 and the clamping nut 8 is secured in posi tion so thatthe shoulder 22 formed by the flange 9 of said clamping nut 8 willengage the flange 19 of the tip 18 and thereby cause the tip 18 and theatomizing disk 10 to be secured in assembled position with respect tothe holder 1.

The operation of my novel atomizer will now be apparent and is asfollows The liquid ,under pressure entering through the passestangentially to the cone 15, thereby causing the liquid to receive a rotwhirling or centrifugal motion as it pass through the conical passage 23and the discharge p t 9.1. of the tip 18, and owing to the cen frugalforce the liquid 'is discharged in the form of a fine spray, as isevident.

it will be apparent to those skilled in this art that when it is desiredto inspect the dish 10 or remove the tip 18, this may be r vaccomplished by removing the c .i 3; nut B whereupon all the parts areaccessible for the purpose of cleaning, inspection. or repairs.

in as 1 am aware, I am the first in the art to devise an, atomizerwherein the liquid is forced under pressure tangentially against a coneso that as it passes from the tip of the atomizer there is impartedthereto a rotary, whirling or centrifugal motion of the characterdescribed so that the centrifugal force will cause the liquid to beejected from the discharge port in the form of a fine spray, and it isto be understood that my claims to such features are to be interpretedwith corresponding scope.

The number of ports 13 and 16 employed Will vary in accordance With theconditions and requirements met with in practice.

It will now be apparent that I have devised a novel and usefulconstruction of a liquid atomizer which embodies the features ofadvantage enumerated as desirable in the statement of the invention andthe above description, and while I have, in the present instance, shownand described a preferred embodiment thereof which has been found inpractice to give satisfactory and reliable results, it is to beunderstood that the same is susceptible of modification in variousparticulars without departing from the spirit or scope of the inventionor sacrificing auy'of its advantages.

Having thus described my invention, what I claim as new and desire tosecure by Letters Patent, is z 1. A nozzle comprising a body with ancovered portion of said passage en 0 out; r i tangentially, and in oneI01 uoitin cited parts.

2. A noznl flaring enit, provided communicat lying said it said 1 recessreceiving; i cit-no and charge port leading from said recess, saidrecess tangentially, and means ing the recited parts.

3. In a device of the character described,

a nozzle comprising a body with a flaring exit 6, a disk 10 ov'erlvingsaid body and provided with a rearward extension iii, a cone l5, aiertures 13, and passages 16 extending tangentially to said cone andterniiinating in proximity thereto, a tip 18 overlying said disk andcovering: a portion of said passages and provided with a coniso calrecess 20 receiving said cone, and a dis-' charge port leading from saidrecess, and means for uniting the recited parts.

4:. In an atomizer, a body having an inlet thereto, a disk at one end ofsaid body and 35 having a port 13 connecting; With said inlet, said diskhaving" a cone at its forward end and a passage 16 tangential to saidcone and communicating with said port, said disk having near the base ofsaid cone an annular groove 1? also connnunicating with said passage 16,a tip having a discharge port and a conical shaped recess in communiation therewith into which said cone extends, and means for rigidlysecuring said tip, disk and body in assembled position.

.KNUT M. DAHL Vl itnesses:

Josnrn J. Tynan, Maurice Asnnn.

